CN216021417U

CN216021417U - Auxiliary guiding device

Info

Publication number: CN216021417U
Application number: CN202122278069.9U
Authority: CN
Inventors: 龙小虎; 赵磊; 马文辉; 解焕南; 王书强
Original assignee: Symbow Medical Technology Co ltd
Current assignee: Symbow Medical Technology Co ltd
Priority date: 2021-02-24
Filing date: 2021-09-18
Publication date: 2022-03-15
Anticipated expiration: 2031-09-18
Also published as: CN113855263A

Abstract

The embodiment of the application provides an auxiliary guiding device, and relates to the technical field of medical equipment. The auxiliary guide device comprises a weight hanging piece and an angle indicating assembly; the guide device may be used for guidance of surgical instruments (including but not limited to puncture needles, ablation needles, etc.). A dial is arranged on the angle indicating assembly, and scales are arranged on the edge or the surface of the dial; the weight pendant is mounted on the dial, and the weight pendant can swing around the mounting point of the dial. The auxiliary guiding device can realize the technical effect of improving the usability; this supplementary guiding device can also measure the current position of pointer through adding the sensor to and measure this device and the distance between the patient skin through adding range finding sensor, pass to the host computer with data through bluetooth transmission module, realize real-time image guide.

Description

Auxiliary guiding device

Technical Field

The application relates to the technical field of medical equipment, in particular to an auxiliary guiding device. The device can be used for guiding surgical instruments to perform operations, for example, the device can be used for guiding an ablation needle to perform ablation operations, guiding a puncture needle to perform puncture biopsy operations, guiding a microwave knife to perform microwave ablation operations and the like.

Background

At present, biopsy, i.e., percutaneous biopsy, is used for diagnosis and differential diagnosis of lesions or diffuse lesions in the peripheral portion of the internal tissue of a human body. Firstly, a conventional CT (Computed Tomography) scan of the lung is carried out, then the distance and the angle between a puncture point and a preset puncture target are measured on a CT image, and the puncture point is subjected to conventional skin disinfection, towel spreading and local anesthesia. And measuring the puncture depth, keeping the patient in breath, and puncturing according to a preset angle. During puncture, the puncture needle is kept in the same scanning layer of the puncture point, the direction parallel to or perpendicular to the ground is adopted as much as possible, after the puncture is in place, CT local scanning is carried out to determine whether the needle point is in a focus, and if the direction needs to be adjusted, the puncture needle is retracted to the chest wall to be adjusted, or pulled out to be punctured again.

Similarly, the ablation operation needs to be performed after the ablation needle is inserted to the lesion position to be ablated.

In the prior art, doctors need to judge the needle inserting angle of the surgical instrument through intuitive feeling. Or measuring the angle with an auxiliary device. In the prior art, auxiliary equipment such as optical, infrared or electronic instruments are mostly adopted to measure angles and position. The auxiliary guide equipment in the prior art is not convenient to use, and the device is bulky or needs expensive equipment for matching use.

SUMMERY OF THE UTILITY MODEL

An object of the embodiments of the present application is to provide an auxiliary guide device that can achieve a technical effect of improving usability.

The embodiment of the application provides an auxiliary guide device, which comprises a heavy object hanging piece and an angle indicating assembly;

a dial is arranged on the angle indicating assembly, and scales are arranged on the edge or the surface of the dial;

the weight pendant is mounted on the dial, and the weight pendant can swing around the mounting point of the dial.

In the implementation process, scales are arranged on the edge position of the scale disc, and the inclination angle of the surgical instrument is indicated by using the angle pointer according to the deadweight of the angle pointer and the plumb line principle; therefore, the device adopts the plumb line principle which is simple and easy to use and has high precision, can conveniently display the angle of the surgical instrument needing to be guided currently, has the advantages of small integral volume and light weight, and realizes the technical effect of improving the usability; wherein, the form of heavy object pendant includes but not limited to following form: one is a rigid object with one end provided with a needle point and the other end provided with a counterweight; and the other is a flexible weight hanging piece formed by connecting a flexible rope and a counterweight.

Further, the angle indicating assembly further comprises a mounting point fixing shaft mounted on the dial.

In the implementation process, the mounting point fixing shaft is used for sleeving the heavy hanging piece on the dial, so that the heavy hanging piece rotates around the mounting point fixing shaft; the angle pointer is sleeved on the mounting point fixing shaft, and the matching mode between the angle pointer and the mounting point fixing shaft is a clearance matching mode, so that the angle pointer can rotate around the mounting point fixing shaft.

Furthermore, one end of the weight pendant is provided with a needle point or a flexible rope, and the needle point or the flexible rope of the weight pendant corresponds to the scale on the dial.

In the implementation process, the circle center of the dial is overlapped with the mounting point fixing shaft, so that the rotating shaft of the angle pointer is overlapped with the circle center of the dial, the inclination angle of the angle pointer can be clearly displayed on the dial, and the current inclination angle of the puncture needle is indicated; the weight pendant always points to the plumb direction due to gravity, and when the auxiliary guide device rotates around the mounting point fixing shaft, the needle point at one end of the weight pendant or the scale pointed by the flexible rope at one end of the weight pendant are not only the included angle between the auxiliary guide device and the plumb direction.

Further, a surgical instrument placing mechanism is arranged on the angle indicating assembly and used for embedding, fixing and guiding a surgical instrument.

In the implementation process, the auxiliary guiding device is used for fixedly installing the surgical instrument (the surgical instrument includes but is not limited to a puncture needle, an ablation needle and the like) through the surgical instrument placing mechanism.

Further, the device still includes the spirit level, the marginal position of scale is provided with the spirit level mounting groove, spirit level fixed mounting in on the spirit level mounting groove.

In the implementation process, the level gauge can realize the horizontal position calibration of the angle indicating assembly, and the angle indicating accuracy of the angle pointer is improved.

Further, the device also comprises an angle measuring sensor which is fixedly arranged on the surface of the dial and used for measuring the current swing angle of the angle pointer.

Further, the device also comprises a distance measuring sensor which is fixedly arranged at the bottom of the device and is used for measuring the distance between the device and the skin of the patient.

Furthermore, the device also comprises a wireless transmission module, wherein the wireless transmission module is respectively in wireless connection with the angle measuring sensor and the distance measuring sensor, and transmits data of the angle measuring sensor and the distance measuring sensor to an upper computer so as to realize real-time image guidance.

Furthermore, one end of the weight hanging piece is provided with a needle point, and the other end of the weight hanging piece is provided with a rigid object of the counterweight.

Furthermore, the weight hanging piece is a flexible weight hanging piece formed by connecting a flexible rope and a counterweight.

Further, the device still includes angle adjustment mechanism, angle adjustment mechanism includes angle indicator dish and adjust knob, the angle indicator dish with adjust knob reciprocal anchorage, the one end of angle indicator dish is provided with surgical instruments and places the mechanism, the angle indicator dish with the calibrated scale rotates the connection.

Additional features and advantages of the disclosure will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the above-described techniques.

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of an auxiliary guiding device according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of an auxiliary guiding device according to another view angle provided in the present application;

fig. 3 is a schematic structural diagram of another auxiliary guiding device provided in the embodiment of the present application;

fig. 4 is a schematic structural diagram of an angle adjustment mechanism according to an embodiment of the present application.

Icon: 10-a weight hanger; 20-an angle indicating assembly; 21-angle pointer; 22-scale disc; 221-an installation groove; 23-mounting point fixed shaft; 25-a surgical instrument placement mechanism; 30-a surgical instrument; 40-a level gauge; 50-a gripping mechanism; 60-angle sensor; 70-a distance measuring sensor; 80-an angle adjustment mechanism; 81-angle indicating dial; 82-adjusting knob.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or a point connection; either directly or indirectly through intervening media, or may be an internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific nature and configuration may be the same or different), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "plurality" means two or more unless otherwise specified.

The embodiment of the application provides an auxiliary guiding device which can be applied to medical procedures such as puncture biopsy and ablation operation; the auxiliary guiding device is fixedly provided with a surgical instrument through a surgical instrument guiding groove, scales are arranged on the edge position of a graduated disk, and the inclination angle of the surgical instrument is indicated by an angle pointer through the self weight of the angle pointer and the plumb line principle; therefore, the device adopts the plumb line principle which is simple and easy to use and has high precision, can conveniently display the angle of the current surgical instrument, has the advantages of small overall size and light weight, and realizes the technical effect of improving the usability.

Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of an auxiliary guiding device provided in an embodiment of the present application, and fig. 2 is a schematic structural diagram of an auxiliary guiding device provided in an embodiment of the present application from another perspective, where the auxiliary guiding device includes a weight hanger 10 and an angle indicating assembly 20, and further includes a surgical instrument 30.

Illustratively, angle indicating assembly 20 is provided with a scale 22, and an edge or surface of scale 22 is provided with a scale.

Optionally, the angle indicating assembly 20 further comprises an angle pointer 21, and the angle pointer 21 is connected with the weight pendant 10.

Illustratively, the weight pendant 10 is mounted on a scale 22, and the weight pendant 10 is swingable about the mounting point of the scale 22.

Illustratively, the form of the weight pendant 10 includes, but is not limited to, the following forms: one is a rigid object with one end provided with a needle point (an angle pointer 21) and the other end provided with a counterweight; and the other is a flexible weight hanging piece formed by connecting a flexible rope and a counterweight.

Alternatively, the surgical instrument 30 may be selected from different types of surgical instruments as desired; the surgical device 30 includes, but is not limited to, a puncture needle, an ablation needle, and the like.

Alternatively, the scale disc 22 is a circular arc-shaped part, and scales are arranged at the edge positions of the circular arc; the angle pointer 21 is installed on the surface of the scale 22, so that the auxiliary guiding device can observe the inclination angle and the angle change of the surgical instrument from any one of two sides when in use, is convenient and practical, and realizes the technical effect of improving the practicability.

In some embodiments, scales are provided at edge positions of the scale 22, and the tilt angle of the surgical instrument 30 is indicated by the angle pointer 21 by the self weight of the angle pointer 21 and the plumb line principle; therefore, the device adopts the plumb line principle which is simple and easy to use and has high precision, can conveniently display the angle of the surgical instrument 30 which needs to be guided currently, has the advantages of small integral volume and light weight, and realizes the technical effect of improving the usability.

Illustratively, angle indicating assembly 20 also includes a mounting point stationary shaft 23, mounting point stationary shaft 23 being mounted on scale 22.

Illustratively, the mounting point fixing shaft 23 is used for sleeving the weight pendant 10 on the dial 22 so that the weight pendant 10 rotates around the mounting point fixing shaft 23; the angle pointer 21 is sleeved on the mounting point fixing shaft 23, and the matching mode between the angle pointer 21 and the mounting point fixing shaft 23 is a clearance matching mode, so that the angle pointer 21 can rotate around the mounting point fixing shaft 23.

Illustratively, the center of the circle of the scale 22 coincides with the mounting point fixing shaft 23, and one end of the angle pointer 21 is provided with a needle point, which is opposite to the scale 22, of the angle pointer 21.

Optionally, one end of weight pendant 10 is provided with a needle point or flexible cord, which corresponds to the scale on scale 22 of weight pendant 10.

In some embodiments, one end of the weight hanger 10 is provided with a needle point and the other end of the weight hanger 10 is provided with a rigid object of weights.

In some embodiments, the weight 10 is a flexible weight comprised of a flexible cord and a counterweight connected.

Illustratively, the circle center of the scale 22 coincides with the mounting point fixing shaft 23, so that the rotating shaft of the angle pointer 21 coincides with the circle center of the scale 22, so that the inclination angle of the angle pointer 21 can be clearly displayed on the scale 22, thereby indicating the inclination angle of the current surgical instrument 30; the weight hanger 10 always points to the plumb direction due to gravity, and when the auxiliary guide device rotates around the mounting point fixing shaft 23, the needle point at one end of the weight hanger 10 or the scale pointed by the flexible rope at one end of the weight hanger is the included angle between the auxiliary guide device and the plumb direction.

Illustratively, a surgical instrument placement mechanism 25 is provided on the angle indicator assembly 20, the surgical instrument placement mechanism 25 being used to engage, secure and guide a surgical instrument.

Illustratively, the auxiliary guide device fixedly mounts a surgical instrument 30 (the surgical instrument 30 includes, but is not limited to, a puncture needle, an ablation needle, etc.) by a surgical instrument placement mechanism 25.

Illustratively, the auxiliary guiding device also comprises a level gauge 40, the edge position of the dial plate 22 is provided with a mounting groove 221, and the level gauge 40 is fixedly mounted on the mounting groove 221.

Illustratively, the level gauge 40 can achieve a horizontal position calibration of the angle indicating assembly 20, improving the angle indicating accuracy of the angle pointer 21.

Alternatively, both ends of the scale plate 22 are respectively provided with mounting grooves 221, and the two levels 40 are respectively fixedly mounted on the corresponding mounting grooves 221.

Illustratively, a level gauge is a commonly used gauge for measuring small angles. In the mechanical industry and in instrument manufacturing, the device is used for measuring the inclination angle relative to the horizontal position, the flatness and the straightness of a guide rail of machine tool equipment, the horizontal position and the vertical position of equipment installation and the like. The appearance according to the spirit level can be divided into: frame gradienter and ruler gradienter; the fixing mode of the water level can be divided into: adjustable spirit levels and non-adjustable spirit levels.

Optionally, the surface of dial 22 is provided with a gripping mechanism 50 to facilitate handling by an operator.

In some embodiments, the auxiliary guiding device provided by the embodiment of the present application adopts the plumb line principle which is simple, easy to use and has very high precision, and can conveniently display the angle of the surgical instrument 30, so that the whole device has a small volume and light weight, and the usability is improved; alternatively, the scale 22 has a long scale line every 10 °, a middle scale line every 5 °, and a short scale line every 1 ° for displaying the angle value of the current angle pointer 21.

In some embodiments, the auxiliary guiding device provided by the embodiments of the present application uses an angle pointer with a certain self weight as an angle indicating device; the angle pointer can be replaced by a plumb line, or an angle indicating device consisting of a flexible connecting device and a heavy object can realize the function of the auxiliary puncture device.

Referring to fig. 3, fig. 3 is a schematic structural diagram of another auxiliary guiding device according to an embodiment of the present application.

Optionally, the auxiliary guiding device can be added with an angle measurement sensor 60 and a distance measurement sensor 70 at the same time, so that data is transmitted to an upper computer through a wireless transmission module, and real-time guiding of images can be realized.

Exemplarily, the auxiliary guiding device further comprises an angle sensor 60, and the angle sensor 60 is fixedly mounted on the surface of the dial for measuring the current swing angle of the angle pointer.

Illustratively, the auxiliary guiding device further comprises a distance measuring sensor 70, the distance measuring sensor 70 is fixedly arranged at the bottom of the device, and the distance measuring sensor 70 is used for measuring the distance between the device and the skin of the patient.

Exemplarily, the auxiliary guiding device further comprises a wireless transmission module, the wireless transmission module is wirelessly connected with the angle measuring sensor 60 and the distance measuring sensor 70 respectively, and the wireless transmission module is used for transmitting data of the angle measuring sensor 60 and the distance measuring sensor 70 to an upper computer so as to realize real-time image guiding.

Referring to fig. 4, fig. 4 is a schematic structural diagram of an angle adjustment mechanism according to an embodiment of the present application.

Illustratively, the auxiliary guiding device further comprises an angle adjusting mechanism 80, the angle adjusting mechanism 80 comprises an angle indicating plate 81 and an adjusting knob 82, the angle indicating plate 81 and the adjusting knob 82 are fixed with each other, one end of the angle indicating plate 81 is provided with a surgical instrument placing mechanism 25, and the angle indicating plate 81 is rotatably connected with the dial 22.

In some embodiments, a needle biopsy procedure, or various ablation procedures, can be performed using the auxiliary guiding device provided in the embodiments of the present application. The needle biopsy procedure will be described as an example. By combining the characteristics of the puncture operation under CT (Computed Tomography), the device can replace a binocular optical positioning device in an operation navigation system to a certain extent, and the auxiliary navigation function of instruments is realized, so that reference is provided for doctors to perform CT operations. Generally, the existing surgical navigation systems necessarily require optical tracking equipment, instrument tracers, calibration models, and the like. The optical tracker equipment is expensive, and popularization and development of the surgical navigation system are limited to a great extent. By using the auxiliary puncture device provided by the embodiment of the application, the auxiliary navigation function of the instrument is realized, and the equipment cost can be greatly reduced.

Exemplarily, the angle measurement sensor adopted by the embodiment of the application can be internally provided with a Bluetooth module, so that a Bluetooth transmission function can be realized, and the pointer value measured by the angle measurement sensor and the data of the distance measurement sensor are sent to an upper computer, so that virtual navigation display can be realized in a CT image.

In some embodiments, the usage flow of the auxiliary guiding device in the embodiments of the present application is schematically as follows:

a doctor attaches auxiliary grid lines (which can help the doctor mark the position of a focus) to a patient, selects a proper body position to perform CT scanning on the patient, transmits a CT image to navigation software on an upper computer, and performs needle insertion point and target point drawing design according to the size and the position of the actual focus;

the doctor strikes the angle measuring sensor button on the upper computer, so that the data of the angle measuring sensor and the distance measuring sensor are communicated with the upper computer. The doctor delineates the positions of the needle points on the patient according to the position of the layer where the needle points are located, the position of the auxiliary grid lines and the laser positioning lines carried on the matched CT machine body;

the needle point of the puncture needle is placed at the marked needle entering point, the length of the installed puncture needle is set, and then the navigation starting button is clicked, so that the real-time navigation of the angle and the depth of the puncture needle can be carried out. Ensuring that the layer surfaces of the needle insertion point and the target point are the same layer through the level gauge 40, and keeping the level of the level gauge 40 as much as possible in the process of angle adjustment; after waiting angle adjustment to the back, the doctor begins to go into the needle operation, because there is range finding sensor 70 on the device, then can be real-time obtain the device apart from the patient between the skin distance numerical value, can transmit for the host computer through bluetooth module, the host computer can realize the real-time guide of needle point position according to the puncture needle length that sets up before again.

Exemplarily, the greatest advantage of the auxiliary guiding device provided by the embodiment of the application is that the function of a binocular camera in the surgical navigation system can be replaced to a certain extent, the hardware cost of the surgical navigation system is greatly reduced, and the function of the surgical navigation system can be realized to a certain extent. The position of the needle can be virtualized and displayed on an upper computer through the transmission and calculation of the data of the angle measuring sensor 60 and the distance measuring sensor 70, so that a doctor can intuitively know the difference between the current position and the planned position, and real-time guidance is realized. According to the actual needs of doctors, a plurality of handle lines can be planned, and one target line needing navigation is selected for virtual navigation. The doctor can know the distance from the current needle point position to the target point and the angle required to be adjusted in real time.

In all embodiments of the present application, the terms "large" and "small" are relatively speaking, and the terms "upper" and "lower" are relatively speaking, so that descriptions of these relative terms are not repeated herein.

It should be appreciated that reference throughout this specification to "in this embodiment," "in an embodiment of the present application," or "as an alternative implementation" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in this embodiment," "in the examples of the present application," or "as an alternative embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. Those skilled in the art should also appreciate that the embodiments described in this specification are all alternative embodiments and that the acts and modules involved are not necessarily required for this application.

In various embodiments of the present application, it should be understood that the size of the serial number of each process described above does not mean that the execution sequence is necessarily sequential, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. An auxiliary guide device is characterized by comprising a weight hanging piece and an angle indicating assembly;

2. The supplemental guide device according to claim 1, wherein the angle indicating assembly further comprises a mounting point fixed shaft mounted on the dial.

3. The auxiliary guide apparatus as claimed in claim 2, wherein one end of the weight hanger is provided with a needle point or a flexible string corresponding to the scale on the dial.

4. The supplemental guide device according to claim 1, wherein a surgical instrument placement mechanism is provided on the angle indicator assembly for engaging, securing and guiding a surgical instrument.

5. The auxiliary guide device according to claim 1, wherein the device further comprises a level gauge, a level gauge mounting groove is formed at an edge position of the dial, and the level gauge is fixedly mounted on the level gauge mounting groove.

6. The auxiliary guide device as claimed in claim 1, further comprising an angle sensor fixedly installed on a surface of the dial for measuring a current swing angle of an angle pointer.

7. The supplemental guide device according to claim 6, further comprising a distance measuring sensor fixedly mounted on the bottom of the device for measuring the distance of the device from the skin of the patient.

8. The auxiliary guiding device as claimed in claim 7, further comprising a wireless transmission module, wherein the wireless transmission module is wirelessly connected to the angle measuring sensor and the distance measuring sensor, respectively, and transmits data of the angle measuring sensor and the distance measuring sensor to an upper computer to realize real-time image guidance.

9. The auxiliary guide device as claimed in claim 1, wherein one end of the weight hanger is provided with a needle point, and the other end of the weight hanger is provided with a rigid object of a weight.

10. The auxiliary guide apparatus as claimed in claim 1, wherein the weight hanger is a flexible weight hanger consisting of a flexible rope and a weight connected thereto.

11. The auxiliary guide device as claimed in claim 1, further comprising an angle adjustment mechanism, wherein the angle adjustment mechanism comprises an angle indicator plate and an adjustment knob, the angle indicator plate and the adjustment knob are fixed to each other, a surgical instrument placing mechanism is arranged at one end of the angle indicator plate, and the angle indicator plate is rotatably connected with the dial.